Set upstream metadata fields: Bug-Database, Bug-Submit, Repository, Repository-Browse

Fixes: lintian: upstream-metadata-file-is-missing
See-also: https://lintian.debian.org/tags/upstream-metadata-file-is-missing.html

debian/changelog

@@ -3,6 +3,8 @@ gnome-control-center (1:3.34.4-2) UNRELEASED; urgency=medium
   * Wrap long lines in changelog entries: 1:2.4.0-7, 1:2.4.0-2, 1:2.2.2-
     2, 1:2.2.0-1, 1.0.51-1.
   * Set field Upstream-Name in debian/copyright.
+  * Set upstream metadata fields: Bug-Database, Bug-Submit, Repository,
+    Repository-Browse.
 
  -- Simon McVittie <smcv@debian.org>  Sat, 29 Feb 2020 20:58:52 +0000
 

debian/upstream/metadata

+Bug-Database: http://gitlab.gnome.org/GNOME/gnome-control-center/issues
+Bug-Submit: http://gitlab.gnome.org/GNOME/gnome-control-center/issues/new
+Repository: https://gitlab.gnome.org/GNOME/gnome-control-center.git
+Repository-Browse: https://gitlab.gnome.org/GNOME/gnome-control-center